TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Insights
Indices
Tour
All
Trending
Breaking
New
Ending Soon
Politics
Sports
Crypto
Companies
Elections
Financials
Economics
Other
Entertainment
Science and Technology
US Open 2026: To Reach Round of 16 (Women's Singles)
polymarket
kalshi

US Open 2026: To Reach Round of 16 (Women's Singles)

Volume:
$33,962

3+ Americans

 - Kalshi

3+ Americans - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 6, 2026

Closed: Sep 7, 9:36 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

3+ Americans

View
100%
52%
Yes 100¢No 0¢
100¢
N/A
$6,925
N/A
N/A
$4,117
Settled
Yes
kalshi

2+ Americans

View
100%
5%
Yes 100¢No 0¢
100¢
N/A
$1,697
N/A
N/A
$1,097
Settled
Yes
polymarket

Marta Kostyuk

View
100%
27%
Yes 100¢No 0¢
1¢
N/A
$635
N/A
N/A
N/A
Settled
Yes
polymarket

Elena Rybakina

View
100%
Yes 100¢No 0¢
14¢
N/A
$578
N/A
N/A
N/A
Settled
Yes
polymarket

Anastasia Potapova

View
100%
83%
Yes 100¢No 0¢
1¢
N/A
$578
N/A
N/A
N/A
Settled
Yes
polymarket

Iga Swiatek

View
100%
Yes 100¢No 0¢
1¢
N/A
$558
N/A
N/A
N/A
Settled
Yes
kalshi

1+ Americans

View
100%
Yes 100¢No 0¢
100¢
N/A
$490
N/A
N/A
$490
Settled
Yes
polymarket

Mirra Andreeva

View
100%
20%
Yes 100¢No 0¢
19¢
N/A
$481
N/A
N/A
N/A
Settled
Yes
polymarket

Aryna Sabalenka

View
100%
7%
Yes 100¢No 0¢
19¢
N/A
$338
N/A
N/A
N/A
Settled
Yes
polymarket

Coco Gauff

View
100%
6%
Yes 100¢No 0¢
19¢
N/A
$324
N/A
N/A
N/A
Settled
Yes
polymarket

Naomi Osaka

View
100%
28%
Yes 100¢No 0¢
1¢
N/A
$189
N/A
N/A
N/A
Settled
Yes
polymarket

Sorana Cirstea

View
100%
38%
Yes 100¢No 0¢
1¢
N/A
$149
N/A
N/A
N/A
Settled
Yes
polymarket

Linda Noskova

View
100%
25%
Yes 100¢No 0¢
1¢
N/A
$132
N/A
N/A
N/A
Settled
Yes
polymarket

Iva Jovic

View
100%
44%
Yes 100¢No 0¢
19¢
N/A
$78
N/A
N/A
N/A
Settled
Yes
polymarket

Emma Navarro

View
100%
78%
Yes 100¢No 0¢
1¢
N/A
$77
N/A
N/A
N/A
Settled
Yes
polymarket

Jessica Pegula

View
100%
17%
Yes 100¢No 0¢
1¢
N/A
$68
N/A
N/A
N/A
Settled
Yes
polymarket

Anna Kalinskaya

View
100%
Yes 100¢No 0¢
1¢
N/A
$27
N/A
N/A
N/A
Settled
Yes
kalshi

4+ Americans

View
0%
Yes 0¢No 100¢
100¢
N/A
$6,446
N/A
N/A
$5,172
Settled
No
kalshi

5+ Americans

View
0%
4%
Yes 0¢No 100¢
100¢
N/A
$4,097
N/A
N/A
$4,082
Settled
No
polymarket

Venus Williams

View
0%
1%
Yes 0¢No 100¢
—
N/A
$3,162
N/A
N/A
N/A
Settled
No
polymarket

Alexandra Eala

View
0%
2%
Yes 0¢No 100¢
—
N/A
$1,233
N/A
N/A
N/A
Settled
No
kalshi

6+ Americans

View
0%
3%
Yes 0¢No 100¢
100¢
N/A
$1,099
N/A
N/A
$1,099
Settled
No
polymarket

Jelena Ostapenko

View
0%
31%
Yes 0¢No 100¢
—
N/A
$934
N/A
N/A
N/A
Settled
No
polymarket

Diana Shnaider

View
0%
60%
Yes 0¢No 100¢
—
N/A
$863
N/A
N/A
N/A
Settled
No
polymarket

Sofia Kenin

View
0%
99%
Yes 0¢No 100¢
—
N/A
$483
N/A
N/A
N/A
Settled
No
Total markets: 25 of 47

Description

This event group tracks whether specific players will advance to the Round of 16 in the Women's Singles draw at the 2026 US Open, as well as a separate market on whether any Americans will reach the Quarterfinals.

PredictionHero - Resolution Divergence Alerts (RDA)

Unified Resolution Criteria (Consistent across platforms)

All markets use the same official source (USTA/WTA) and consistent advancement criteria for resolutionPrimary resolution logic: Official US Open results from the USTA and WTA

Core resolution logic:

  • A player market resolves Yes if that specific player wins enough matches to reach the Round of 16
  • The American Quarterfinals market resolves Yes if one or more American women win enough matches to reach the Quarterfinals
  • Markets resolve No if the event is canceled or postponed beyond September 27, 2026 with unconfirmed Round of 16 qualifiers

Edge cases & clarifications:

  • Event Cancellation: If the 2026 US Open is canceled or postponed after September 27, 2026 with unconfirmed Round of 16 qualifiers, all markets resolve No
  • Player Withdrawal: If a listed player is eliminated before reaching the Round of 16, their market resolves No
Timing: Resolution occurs after official confirmation of Round of 16 qualifiers from USTA/WTA, typically within 48 hours of stage completionOur PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market will resolve to "Yes" if the listed player clinches a spot in the Round of 16 at the 2026 US Open per US Open rules. Otherwise, the associated market will resolve to "No". If at any point it becomes impossible for the listed player to clinch a spot in the Round of 16 at the 2026 US Open (e.g. the player is eliminated), the associated market will resolve to "No". If the 2026 US Open is cancelled, postponed after September 27, 11:59 PM ET, or the players that qualified for the Round of 16 have not been officially confirmed by the USTA within that timeframe, this market will resolve to "No". The resolution source for this market will be official information from the USTA and WTA; however, a consensus of credible reporting may also be used.

Kalshi

Multiple markets exist with varying thresholds for the number of American players required to reach the quarterfinals. Each market resolves to Yes if the specified number of American players achieve this stage. Nationalities are determined by official governing league designations. Kalshi disclaims any affiliation with the governing league, and all trademarks remain property of their respective owners.

Frequently asked questions

The dashboard for the US Open women's round of 16 market aggregates betting data from multiple venues, showing real-time probabilities and volume trends. It tracks how traders across platforms price the chances of players reaching the round of 16 at this year’s tournament. The view combines inputs from all participating prediction markets, letting users see consensus expectations and divergence in outlook. This unified display helps bettors spot shifts in market sentiment as the tournament approaches, with total volume at $33,962 and recent activity measured at $9,865.

Key signals that could shift probabilities in this market include player injuries, changes in seeding due to world-ranking updates, weather forecasts affecting outdoor courts, and high-profile early-round match results that signal unexpected strength or weakness. Any news that alters perceptions of a player’s likelihood to survive the initial rounds can cause rapid re-pricing, especially as the tournament start date approaches and traders place bets based on the latest practice reports and health updates.